K03 vs k04 size forum. Technical Discussions.

K03 vs k04 size forum turbo. If the Hybrid is the k03 housings and the k04 guts, then would it not stand to assume that the k04 is a slight upgrade? It looks like it will bolt right  · Audizine Forums > Main Model-Line Discussion > B7 A4 > K03 vs K04 Turbine Wheel Size. Thread Starter. Original manufacturer of the K03 is Borg Wanner (aka KKK turbo) Volkswagen Jetta IV 1. 8T with respective Nov 8, 2001 · I'm curious because I have been thinking about buying ABT's turbo inlet pipe and when I called them, the guy told me that they have 2 different size pipes - one for the AWDs Jan 10, 2009 · Forums. 7T V6 Discussion - Recorded 2. K04 (MRP2001GTi) Well it's only $1600 now. Thread starter WalkerT; Start date Jun 14, 2021; i went from k03 to k04 and full boost on a k03 is about 2800 rpms while on a k04 is about 3600 rpms via vagcom logging. They are manufactured by KKK but used by VW/Audi etc. Here's where you need to do some thinking. Leon. Here's how the dimensions vary: My K04's: Compressor, 40/51mm; Turbine, 42/49mm Re: K04 Compressor with K03 Exhaust housing? (harry_the_cake) I think some companies were making a k04-20/k04-001 hybrid. A positive about the K04 is at has a good low end power range, but no top end. Engine / Drivetrain / Exhaust . 6 idi diesel pickup. And the K04 would probably be a nice upgrade from this generic K03, no? K04-020 Compressor Size: 42/56mm Turbine Size: 42/50mm Approx Power Rating: 260HP Franken F4h-l Compressor Size: 40/51mm Turbine Size: 42/50mm Approx Power Rating: 240hp Last edited by yogib5 on Fri Dec 21, 2012 6:16 am, edited 4 times in total. good price on k03, ill do that. Sam Bryant the uk rep for relentless tested it, it bombed, it failed, he , I think refused to endorse it They are being sold completely unproven . lol 05-05-2011 05:14 PM #15. 07-09-2016, 09:40 PM. The cost difference isn't really all that high from a real K04, aside from the additional cost of inlets (which you would not need for hybrids). VW Model-Specific Forums. redGTI Axis Motoring. If they upgrade to a K04 kit, then they can make up to 350 crank horsepower. 7T are smaller then the stock Ko3 on any 1. The K04 wont make tons of power, it essentially takes the power that you can make with the K03 and makes it run a longer powerband. Passat (all Gens) Passat (B5) k03 vs k04. Not so much. the other. Audi OEM IHI-RHF5 turbo vs. K04 shaft diameters? - Is anyone 100% sure of the diameters in the K03 vs. The ko4 is a upgrade from a stock ko3. K04 is thicker compressor wheel is about 1. View Full Version : K03 vs K04 Turbine Wheel Size. Ill prolly end up going k04 but for now the goal is 12sec mark on a k03Sent from my Jedi mind powers You should read the FAQs at the top . K03, K03s (K03-052) and Inlet Pipe Size. Location Orlando, FL Car(s) 02 Le cambiamos el turbo K03 aún Audi A4 1. What I would do to save costs is swap over the CHRA and compressor housing from the k04 onto the 2. So yeah its a couple hundred but its very noticeable. LOG IN; REGISTER; Forums. Aside from all that, we know the K04 is faster. Tires, Wheels, Brakes. com and they said that in order to use the K03-52 or the K04 turbo on a AWD code engine, an O-ring has to be used on the inlet pipe because the K03-52 has 1 mm larger diameter inlet. Apr 14, 2005 · S4 / RS4 (B5 Platform) Discussion - K03 vs. The wheel on the K04 is slightly bigger (~1. 7t boost values - k04 vs k03 stock tunes - I know this is a long post, but please read on I was playing around today with my torque OBD scanner on my android and recorded some values. I am leaning more towards the K03/K16's since I don't have to swap the piping, Oct 27, 2004 · Re: K03/K04 -- T03/T04 **Confused!** (Illegal Gardener) As said above there are different KO4s and different Ko4s for each side on an 2. Technical Topics. Or, the ID measurement of a stock turbo outlet hose. Join Us. (43mm vs 44mm IIRC) If he was talking about compressors when referring to inlets, well yes of course the K03 is different (~13 blades) then the K03 sport/K04 (~7 blades). Most importantly, this is using regular pump gas (91 octane) and stock engine components. Sponsored. I searched around in vortex. Mar 23, 2011 · And before you go saying search the forums, i have been for some time now, watching the classifieds and such on here and vortex ect. Differences between K04 for TT People recommend going to a k04 if your k03/s is shot and have to upgrade anyway but if your k03s is working fine, go with a larger diameter dp/exhaust, a chip/tune, small upgrades like that. Thread starter ModdedJK; Start date 14 minutes ago; Watchers 1; ModdedJK Well-Known Member. The compressor housings Mar 15, 2005 · The differences mainly have to do with the sizes of their inlet and exhaust turbine wheels, K03 being the smallest, then K03s, then K04 the largest out of the group you Oct 27, 2004 · vw/audi use the ko3/ko4. 5" turbo back on the ko4 and then compare. PDA. not that this is on topic but oh well. So k03 on ebay = ~$250 oem turbo = ~$750. Are they all the same? Stock k03 turbo is leaking oil and needs an upgrade. 8T Quattro. The cost of GIAC software has gone way down. Typically, a K04'd 1. Re: K03/K04 Hybrid vs. Joined Feb 13, 1998 Location Newport News, VA TDI 2017 GTI APR Stage 3 (395 hp/376 lb-ft) Apr 13, 2010 I ran PP764's K03/K04, hugeFMIC, 2. polo gti k03 turbo vs k04 turbo What is the difference between the k04 turbo compared to k03 turbo. Thread starter quickblack_06; Start date Jan 10, 2009; 1; 2; Next. Jump to Latest I searched around in vortex. Related Topics. 8t) thanks for the help guys and quick response. They're also running about 18 or 19 psi of boost on the K03. The exhaust Mar 16, 2011 · The K04 turbo is the same size as the K03, but adds over 100 hp. You'll need the k04 exhaust manifold and the k04 itself for starters. Mar 18, 2012 · A prime example of someone who thinks the K04 is somehow a big turbo. Thanks - but since the charger is free, I can probably have it mildly upgraded at my local turbo shop, Turbo Engineering Corp. you won't see much for gains with a k03s or k04, especially without any supporting mods. k04 is going to leave you feeling like you wasted your time. K04 (elRey) don't bother switching turbos unless your current one is going out or you want to go to something a lot bigger i. just little more power. Our Community is 940,000 Strong. KKK K04 TURBO (vdubstreets) well I think you need to shut your dity c**k dumpster, that's what I think!!!! Modified by KILLINJDM at 11:54 PM 7-18-2007 As for K03 vs. Greetings, Joël Selder Hello and welcome to the Audizine Forums! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, is there anyway to tell the difference between a All the following turbos have the same installation dimensions and thermodynamical performance. Joined May 5, 2016 Threads 24 Messages 216 Reaction score 205 Location MI its basicly a k04 in a k03 housing. The k04 is safe on stock internals, and the install is very straight forward. i heard Mar 18, 2004 · The K03 Sport has a larger compressor than the K03, by about 5mm. Going big turbo would cost more money, require replacement parts, and might cause maintenance headaches for me down the road. 25"cat back. Location Orlando, FL Car(s) 02 Hello and welcome to the Audizine Forums! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account. 2871, 3076, etc. For those of you who want a quick 30 second comparison of the two turbos. e. 2. Ko3s vs. Is the saab 292hp is a bit optimistic for a K03 with stg 2 mods but mod for mod the K04 is going to give you 60hp+ more peak hp. For example the compressor is 56 vs 52 mm. Reason is, I have a good deal on a CHRA & Housing. Install went well, start up was fine (even after I forgot to turn the engine over without the fuel pump working to flow oil into the new turbo :icon_eek We take a complete look at the K03 K03s and K04 turbos as used by the VW Audi group in Seat, Skoda, VW & Audi models of car including the Golf, A3, A4, Passa Re: K04 Compressor with K03 Exhaust housing? (harry_the_cake) I think some companies were making a k04-20/k04-001 hybrid. So you can save a little by going Upsolute, although you sacrifice some power. Last Post. the shafts differ in metal composition in that the K04s have an added heat resistance or benefit that the K03s don't have that should make them less prone to heat related issues/failures. The Ko4 car has a test pipe (shown to reduce hp in some applications in the past) and a 2. if i get a good price on a k04, ill do that. Just look at my post count; Thank You-Given: 52-Receive: 137; Posts: 7683; K03/K04 wastegate actuators from Forge I have been watching this over on the other forum on and off. it moves significantly more air than the standard ko3. com is an independent Volkswagen enthusiast website owned and operated by VerticalScope Inc. That makes my hybrid really weird, since that means my compressor is 12-13mm larger than my impeller. 1 of 2 Go to page. Hi, I was wondering what year did audi start making the a4's with the larger k04 turbo? Is a swap from a k03 to a k04 worthwile. Little Pickle Anybody with a K03 or K04 laying around that can give me the OD measurement of the outlet to the intercooler piping? Interested in the OD around where the clamp would go, not the outer lip that has a raised edge. 0t stock exhaust manifold. The k03 is literally one of the tiniest turbos out there. Re: K03S vs. 0 2008 fwd stage 2 I see options for a genuine bw that needs the dv Hello and welcome to the Audizine Forums! As a guest, K03/k04 oil return line hole size? The return is way bigger regardless (compare a -4 an to a -12an that's the stock oil feed and return size difference) I'm just confused on why it's designed like this? I mean drip oil form the little line to the turbo and have it drain very quickly? Re: KK3 K03 VS. Look on ASN 8l forum and facebook . Thread starter itisagoodname; Start date Jun 19, 2009; itisagoodname Ready to race! Location I am currently looking to overlay this data on a k04 map as well k03 vs k04 The benefit of a K04!!! Last edited: Jun 19, 2009. Is the K04 turbo better than the k03 or the K03/K04 Hybrid. Reply Subscribe . Come join the discussion about performance, builds, modifications, classifieds, troubleshooting, maintenance, new releases, and more! Forums. with the same installation dimensions): K03-052 180 hp, 85 N actuator K03-053 150 hp, 85 N actuator K03-058 150 hp/180 hp, 85 N actuator Volkswagen ID Forum 28K members. The ko4 is a CH bigger then the ko3sport (unless its the TT225 turbo). Denio24. 5" turbo back in my lifted 1986 VW Golf with an AHU swapped in and it sure was fun! never had it on a dyno though. The k03 has absolutely no top end, where as the k04 does. A K04-001 has a larger impeller than the K03, by about 5mm. Due to the turbos being small, resulting in a very quick temperature rise when sat on rollers etc. , 111 Re: First off the T25 is just about the same size as a K04. then evn bigger then May 11, 2013 · 1: K03s has a bigger intake side fan compared to the regular k03. Replies. What I would do to save costs is swap Dec 20, 2004 · K03 vs K04 '94 - '01 Car Forums . The neuspeed super k04 I'm pretty sure was that, but was discontinued. USP CLUB MEMBER #26 IMO there is little reason to do KO3/K04 hybrids if you are going to go through all the labor to swap turbos you might as well get the benefits of putting the larger K04 housings in there. Modified by paultakeda at 8:23 AM 3-19-2004 . 0T Engine / Drivetrain / Exhaust / Tunes . , This has been mentioned before, and like someone else will tell you again. 2: K04's have a bigger intake fan than a k03's as well, BUT not quite as big as the K03s. turbotommy Forum Member. I say slap a TT 2. (k03s size turbo) and this runs 290+ now have Can anyone clearify if there's a difference in bw k04 064 turbos. The k03s has to be better at producing boost as it maintains psi right up to the redline whereas the k03 runs "out of puff". S4 / RS4 (B5 Platform) Discussion Discussion forum for the 292hp is a bit optimistic for a K03 with stg 2 mods but mod for mod the K04 is going to give you 60hp+ more peak hp. I mean, going K04 is going to cost you at least an extra grand just for parts + labor on the turbo, not to mention all of the supporting mods you will need (IC, Exhaust at the least, another $1500 at least). WTF? Rotorhead. K04 to see the size difference or are you talking about the internal size? I am so confused about which turbo to go with, and then REVO will soon be Jul 19, 2000 · Depends what boost you run according to the ecu programming the K04 has more boost potential and therefore more potential hp. Need to make a decision, any comments on the other options appreciated as well. The T3/T4 is a type of Mar 30, 2008 · Re: k03 vs k04 (DOHC15) Ko4 is bigger. Shuenk TSI K04+ Turbo - Dyno - Review. Forums. I'm looking to upgrade to a gt3071/76r soon and may have my gt2871r available for any turbo that isn't a stock k03 or k04, you're going to need the following, bare Hello and welcome to the Audizine Forums! As a guest, keep in mind that the k03 series, and the k04-15 utilize the same compressor and exhaust housing castings (with minor modifications for variations in wheel sizes) but all have the same exterior dimmensions. 0. KO3 vs KO2 Tires Comparison Look & Analysis, Size Availability and Launch Details. May 15, 2008 · I think the k04 makes for a perfect street car, and a good road track car, though lacking power for straights. With the inlet pipes they bolt right up. It looks like they use a cast iron manifold like the OEM K03. the K04's? I am looking into getting hybrids and my answer has been dependent on what the person is trying to sell me. I was looking around trying to compare the size difference between my stock K03 to A K04 and did not see much so I decided I would make one with my new K04. Save Share The Fora platform includes forum software by XenForo. However, the difference between the 235 hp and 242 hp unit is small. Author Topic: K03/K04 wastegate actuators from Forge (Read 15213 times) Hurdy. The K04-020 from a TT225 is 7-8mm larger than the K03 Sport. but fubar thats a real good idea. If your turboing a non turbo car, meh. vwvortex. TT (Mk2) Discussion. Content on vwvortex. next up is the K03 on a 1. a K03/16 vs. So I'm wondering why everyone seems so worried that our turbo is too small and can't push enough air, when the K03 is After my K03-005 took a sh** on me, I decided to purchase the FrankenTurbo K03-073 as my replacement. All the following turbos have the same installation dimensions and thermodynamical performance. 9. Neither vehicles are equipped with a boost gauge so I know these values are electronically The k04 turbo is "technically" a bolt on turbo system to upgrade the k03. Its a shame CTS will not help you out. Atlas Del Mar. Dec 4, 2003 · The TIP (inlet diameter) for the transverse K03 and K04 are the same, while the TIP used on the K03 sport is a different size. The power delivery is very sudden, peaky and not linear, where as the k04 has a very nice flat(ish) torque curve. Go. If going K04, you should really opt for genuine Borg Warner as they come with a . But K03 to K04. (i reccomend it highly) SEAT car forums. Jan 10, 2009 · Hey Arin, You wouldnt happen to have a side by side pic of the K03 vs. See the RS4 study guide/pdf for the Jan 24, 2020 · Are they interchangable and what power figures are they good for? K03s has 8 blades, although lower than the KO3 the K03s will support around Oct 17, 2001 · Can you tell them apart at all? Real differences K03 and K04 use the exact same turbine housing. Joined: Sep 5, 2006 Likes Received: 14 Location: All the people claim good power form all the K03 3s and k04 turbos, they do do the power stated but not consistantly. The turbocharger upgrade consideration any Mar 17, 2003 · Re: K03 vs. Jan 4, 2005 · its just a k03 upgrade from the k03 that are on models 97-2000. i found a guy who wants 200 for a k03s with 75k on it, seems like a lot of miles especially for 200 bucks. Location Orlando, FL Car(s) 02 & 08 GTI, 08 M3 Jun 19, 2009 #2 A k04 isn't a good upgrade from a stock K03. K03 vs K04. 8T then the Ko3sport/Ko4 compressor wheel. 8T > Engine > Turbo > ES#476454 K03 Sport Turbocharger - 06A145713D they also offer a k04 version as well; this is used in the apr k04 kit. the k24 was found on late 89 to 91 200's while the k26 was found on 5000's and early 89 200's. still is a k03. Tim. But since the k04 has higher interia than the smaller and quicker to spool k03, you will experience more turbo lag no doubt. Add K03 vs K04 Turbine Wheel Size. com Car Chat > Audi > A4 | S4 | RS4 | A5 > '94 - '01 > K03 vs K04 . Technical Discussions. Come join the discussion about performance, builds, modifications, classifieds, troubleshooting, maintenance, new releases, and more! Oct 17, 2001 · the cast housing is diffrent from K03 and K04. the pitch which is the A/R is more agressive than the K03. K04-023 May 22, 2008 · K03 vs. Tfsi 2. not a bad idea. And k03 is more zippy around town but 0-60 k03 and k04 are almost exactly the same. Golf & Jetta (all Gens) K03 manifold will not fit a K04 turbine wheel. meangreenturbomachine Discussion starter · Nov 26, 2010. Jul 19, 2000 · the K04 has more boost potential and therefore more potential hp. TECH. 5mm bigger but what counts is the pitch of the blades. Jump to Latest A forum community dedicated to all Volkswagen owners and enthusiasts. from an engineering standpoint, you are asking for trouble from a K04/K03 hybrid. The differences are only in the actuator that opens the turbine bypass valve: K03-011 (5303 988 0011) 150 hp, 65 N actuator K03-026 180 hp, 85 N actuator K03-035 180 hp, 85 N actuator K03-044 150 hp, 65 N actuator To me its more of a challenge and funner if I can get a k03 to move quicker than a k04. 5mm). The stock KO3 turbos on a 2. The Fora platform includes forum software by XenForo. K04 [dyno's inside !] (LA Wolfsburg) My opinion. The differences are only in the actuator that opens the turbine bypass valve: K03-011 (5303 988 0011) 150 hp, 65 N actuator K03-026 180 hp, 85 N actuator K03-035 180 hp, 85 N actuator K03-044 150 hp, 65 N actuator 1. 7T. This plot pretty much shows where the gains are made with the K04, it's a stage 2 K03 vs a K04 with similar mods, both on dyno dynamics rolling roads. 8t por un K04 K03, K03s, K04 all slow for the most part . Hello and welcome to the Audizine Forums! The K03 and K04 are pretty much exactly the same size, even use the same housings. Leon Mk1 (2000-2006) with the same installation dimensions): K03-052 180 hp, 85 N actuator K03-053 150 hp, 85 N actuator K03-058 150 hp/180 hp, 85 N actuator He reffering to the K04-01 which is a hybrid of K03 K04 and was not used on production Vags, APR/AMD/Star performance offer this as an upgrade but is very The k03s is slightly larger / more efficient than the k03 at producing boost, so for a given wastegate position (under n75 control) you will get more psi (I am pretty sure that statement is right). Exact K03/K04 turbo specs. "search" is the key to success and to answer your questions withou being flamed. i figured for 200 bucks i could bolt on a k03s and chip and turbo back and put K03 K04 I know are frequented on B5's while the others k24 is smaller turbo but has less lag and is more efficient then the larger k26. K04 A forum community dedicated to all Volkswagen owners and enthusiasts. I believe Pro Imports is out of business). AWE charges just over a grand for the turbo, and send around $50 worth of assorted hardware. k04 (PenDuB1. It used to be $800 for the chip but that has been cut. . A well put together one will put the Gti in the 12's, my question is what makes it more fun than the K03? IMO there is little reason to do KO3/K04 hybrids if you are going to go through all the labor to swap turbos you might as well get the benefits of putting the larger K04 housings in there. Thread. Forum. 12-20-2004, 08:51 AM. GTI 2. The K04 is a bigger frame size, both the turbine and compressor are significantly bigger. S4 / RS4 (B5 Platform) Discussion - Cost aside, what are the pros and cons of a K03/K04 vs. It made less than a stage 2 bhp. A4 (B5 Platform) Discussion. Modified by MaxedOutCredit at 9:29 AM 3-13 We take a complete look at the K03 K03s and K04 turbos as used by the VW Audi group in Seat, Skoda, VW & Audi models of car including the Golf, A3, A4, Passa Audi OEM IHI-RHF5 turbo vs. 8T Discussion - K03 to K04 - 2000 TT 1. apr/atp/ecs/. BW K03 vs BW K04 This page provides specific information resulting from the effort documented on the best stock motor turbo page . AudI_MaN. But, here it is; The k04-001 will bolt directly up, just like the stock K03. A K04-001 and a K03 Sport are the same size, just different blade configuration. HPA K04 HYBRID turbo comparison. com is generated by its users. Pictures to please. i may hold out for garret turbo kits or just get one stageg 1 0r 2 kits. Thread starter itisagoodname I am currently looking to overlay this data on a k04 map as well k03 vs k04 The benefit of a K04!!! Last edited: Jun 19, 2009. com is not in any way affiliated with Volkswagen AG VerticalScope Inc. Is this true? Because if it is, it looks like the shop got rid of my crappy early model K03 and got the K03-52. News Home; Industry News; Motorsport News; Feature Articles; Forum Home; Audi Customer Experience; Model-Lines; Tech Talk; More Car Talk; Regional; Gallery Home But, here it is; The k04-001 will bolt directly up, just like the stock K03. Feb 6, 2008 · Pro-Imports has an exhaust adapter so you can use your K03 down pipe on this k04 (THAT IS IF YOU CAN FIND ONE. K03, k03s, k04 specs. Oct 20, 2008 07:10 PM. 8T with respective chip, exhaust, etc, will yield about 240 hp. But who knows, it may be decent. Next right. Re: K03 vs. Printable View. K03 Compressor Map. Its bigger and flows better than the k03. especially 2006 polo gti any one know the size of the exhaust out of the turbo 2 1/4or 2 1/8 inch Pre-Forum Veteran Member. It's not much difference. Jun 22, 2022 12:06 PM. Actually I have all 3 units in my workshop, the 200 hp K03, the 230/235 hp K04 and the 241 hp K04. Apr 14, 2005 · They are the same diameter (4mm) however. Jun A4 (B5 Basically, the method behind this design is to spool like a K03, push like a K04, all while being on a K03 body so the turbo really is in between the specs of a K03 and a K04 in terms of performance. R. The k03 chipped with 93 Octane without exhaust upgrade was dynoed at 215/245. Example size ,bigger turbo more topend? maximum boost and horse power?ietc. I paid $289 shipped and have waited to put some miles on the turbo right now its whatever comes my way. K04, I decided from a practicality standpoint to just stick with Stage 1+ until my turbo blows or something. The exhaust fans are the same size as far as I can see. You need to clearance too much material to fit the K04 CHRA; the inlet is like paper thin. I ran a K04 with my built 2 liter, the thing pretty much made 15psi just revving the engine in neutral. Home. M. AudiWorld Community. I don't thonk this is a good comparison because: The cars are different The chips are different The exhausts are different. 07-09-2016, 10:40 PM. The K04 also looks stock, and most dealers would probably Posted: Sat May 21, 2022 9:31 am Post subject: k03, k04, k14, k24 turbo characteristics/ranges Alot of reading, listening and learning to finding the most effective turbo for my little 1. That's where the Gt28rs comes in Takes longer to spool, but when boost hits, you'll be movin'. If your K03 is going bad and you want a little extra power it's a fun upgrade. a tribrid? - Why would you go with one vs. My question is, will a K04-001 slap directly on in place of the K03? Are all the connection dimensions the same? I just need to know if the K04-001 is the right fit so I can order it instead of another K03 to fit on directly. I'm wondering if the turbine wheel between the k04 and the stock k03 is the same. It's free and it's easy, so don't hesitate to join the Audizine Family today! APR K03 vs APR K04 Hello and welcome to the Audizine Forums! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, the "new" CHRA's have compressor and turbine wheels of much larger diameter. afaik th k03 and k04 Feb 19, 2004 · Re: K03s vs k04 (gti_8v) Yea searched the facts and called some experts up and basically got the same info. 4208 Views 7 Replies 7 Participants Last post by Steve in Chicago, Dec 5, 2010. But the k03 hotside would probably be too small for a k04-20 compressor. 8t. Modified by MaxedOutCredit at 9:29 AM 3-13 Forums. HPA K04 HYBRID turbo comparison Forum. Automotive Forums . It was put on a top spec car with all the kit that on a stock k04 makes over 300bhp and tuned by one of the top VAG tuners. People don't seem to understand that K03's are soooo stupid small, and K04's are barely even considered a medium sized turbo. iqbm ltqgmau qulnfw vkwa shdzknl tjcul huuv rpyf kdgcplh phhuv